Wilmington weather in May 2025

Expect 23°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Wilmington in May. Check more long-term weather averages for Wilmington in May before you book your next holiday to Delaware in 2025/2026.

  • 23°C maximum daytime temperature in May in Wilmington23
    23°C max day temperature
  • 8 hours of sunshine per day
  • 11 days with some rainfall in May in Wilmington11
    11 days with some rainfall
  • 11°C minimum night-time temperature in May in Wilmington11
    11°C min night temperature
  • 14 hours of daylight per day in May in Wilmington14
    14 hours of daylight per day
  • No heat & humidity in May in Wilmington0
    No heat & humidity
  • 104 mm monthly rainfall in May in Wilmington104
    104 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in May in Wilmington8
    8 (Very High) UV index
  • 12°C sea temperature in May in Wilmington12
    12°C sea temperature

More about Wilmington

Wilmington by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Delaware

Argus Car Hire: Compare low prices on car hire

  • Compare car hire with popular rental companies
  • Book with no credit card fees & free cancellation policy
  • Find low prices based on destination & travel dates
Go to Argus Car Hire deal >>

View all Argus Car Hire offers

The May weather guide for Delaware (Wilmington) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

Back to top

More about the USA

How hot is it in Wilmington in May?

Daytime temperatures usually reach 23°C in Wilmington in May, falling to 11°C at night.

How sunny is it in Wilmington in May?

There are normally 8 hours of bright sunshine each day in Wilmington in May - that's 56% of daylight hours.

How warm is the sea around Wilmington in May?

The average sea temperature around Wilmington in May is 12°C.

Does it rain in Wilmington in May?

There are usually 11 days with some rain in Wilmington in May and the average monthly rainfall is 104mm.

Wilmington May sunrise & sunset times

Browse the sunrise and sunset times for Wilmington in May 2025. Select a month to view Wilmington sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:02 18:57
Friday, 16th May 2025 04:46 19:11
Saturday, 31st May 2025 04:37 19:24

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^